ASN Wikibase Occurrence # 35502
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| Date: | Thursday 11 August 1994 |
| Time: | 18:02 LT |
| Type: |  Cessna 177RG Cardinal RG |
| Owner/operator: | Armed Forces Aero Club |
| Registration: | N217AF |
| MSN: | 0717 |
| Total airframe hrs: | 7848 hours |
| Engine model: | Lycoming IO-360-A1B6 |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | So. Lake Tahoe , CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Groveland, CA (Q68) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE DEPARTING A HIGH DENSITY ALTITUDE AIRPORT AT A HIGH GROSS WEIGHT, THE AIRPLANE CLIMBED ABOUT 50 FEET AND DID NOT ACCELERATE. THE AIRPLANE WAS OBSERVED DESCENDING BEFORE COLLIDING WITH TREES ABOUT 1/2-MILE OFF THE DEPARTURE END OF THE RUNWAY. WEIGHT AND BALANCE COMPUTATIONS PLACED THE AIRPLANE OVER MAXIMUM ALLOWABLE GROSS WEIGHT. THE DENSITY ALTITUDE WAS COMPUTED AT 8,493 FEET ABOVE MEAN SEA LEVEL. THERE WAS NO EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION FOUND WITH THE AIRPLANE. THE DEPARTURE AIRPORT IS KNOWN FOR ITS HIGH DENSITY ALTITUDE AND DOWNDRAFTS AT THE END OF THE DEPARTURE RUNWAY. REVIEW OF THE PILOT'S FLIGHT EXPERIENCE REVEALED HE HAD OPERATED AT ONE HIGH DENSITY ALTITUDE AIRPORT IN THE PAST, WHERE HE ACCOMPLISHED ONE TAKEOFF AND LANDING WITH A FLIGHT INSTRUCTOR.
Probable Cause: The pilot's decision to take off from a high density altitude airport at an over allowable gross weight condition. Factors in the accident were the high density altitude, down drafts, and the pilot's lack of familiarity operting from high density altitude airports.
Accident investigation:
 |
|
Sources:
NTSB LAX94FA318
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 05:20 | ASN Update Bot | Updated [Time, Cn, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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